"House blocked Spotify?" read his account, referring to the music-sharing website. "This is 2013. It is a legal service that should be allowed. Pandora, YouTube, iTunes, Spotify... Let the music flow!"

Cantor's staff insists that the Virginia Republican wrote the tweet himself, although he was not in his Washington office when it was posted Friday afternoon.

"Rock 'n' roll's here to stay, man," a Cantor aide told Yahoo News. "You always want to be on the side of music."